// Copyright (C) 2018-2022 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
//

#include <gtest/gtest.h>

#include "openvino/op/acos.hpp"
#include "base_reference_test.hpp"

using namespace ov;

namespace reference_tests {
namespace {

struct AcosParams {
    reference_tests::Tensor input;
    reference_tests::Tensor expected;
};

struct Builder : ParamsBuilder<AcosParams> {
    REFERENCE_TESTS_ADD_SET_PARAM(Builder, input);
    REFERENCE_TESTS_ADD_SET_PARAM(Builder, expected);
};

class ReferenceAcosLayerTest : public testing::TestWithParam<AcosParams>, public CommonReferenceTest {
public:
    void SetUp() override {
        auto params = GetParam();
        function = CreateFunction(params.input.shape, params.input.type);
        inputData = {params.input.data};
        refOutData = {params.expected.data};
    }
    static std::string getTestCaseName(const testing::TestParamInfo<AcosParams>& obj) {
        auto param = obj.param;
        std::ostringstream result;
        result << "shape=" << param.input.shape << "_";
        result << "type=" << param.input.type;
        return result.str();
    }

private:
    static std::shared_ptr<Model> CreateFunction(const Shape& shape, const element::Type& type) {
        const auto in = std::make_shared<op::v0::Parameter>(type, shape);
        const auto acos = std::make_shared<op::v0::Acos>(in);
        return std::make_shared<Model>(NodeVector {acos}, ParameterVector {in});
    }
};

TEST_P(ReferenceAcosLayerTest, AcosWithHardcodedRefs) {
    Exec();
}

}  // namespace

INSTANTIATE_TEST_SUITE_P(
    smoke_Acos_With_Hardcoded_Refs, ReferenceAcosLayerTest,
    ::testing::Values(Builder {}
                          .input({{11}, element::f16, std::vector<ngraph::float16> {-1.f, -0.75f, -0.5f, -0.25f, -0.125f,
                                                                                     0.f, 0.125f, 0.25f, 0.5f, 0.75f, 1.f}})
                          .expected({{11}, element::f16, std::vector<ngraph::float16> {3.14159265f, 2.41885841f, 2.09439510f, 1.82347658f, 1.69612416f,
                                                                                       1.57079633f, 1.44546850f, 1.31811607f, 1.04719755f, 0.72273425f,
                                                                                       0.00000000f}}),
                      Builder {}
                          .input({{11}, element::f32, std::vector<float> {-1.f, -0.75f, -0.5f, -0.25f, -0.125f,
                                                                                  0.f, 0.125f, 0.25f, 0.5f, 0.75f, 1.f}})
                          .expected({{11}, element::f32, std::vector<float> {3.14159265f, 2.41885841f, 2.09439510f, 1.82347658f, 1.69612416f,
                                                                                     1.57079633f, 1.44546850f, 1.31811607f, 1.04719755f, 0.72273425f,
                                                                                     0.00000000f}}),
                      Builder {}
                          .input({{3}, element::i32, std::vector<int32_t> {-1, 0, 1}})
                          .expected({{3}, element::i32, std::vector<int32_t> {3, 1, 0}}),
                      Builder {}
                          .input({{3}, element::i64, std::vector<int64_t> {-1, 0, 1}})
                          .expected({{3}, element::i64, std::vector<int64_t> {3, 1, 0}}),
                      Builder {}
                          .input({{2}, element::u32, std::vector<uint32_t> {0, 1}})
                          .expected({{2}, element::u32, std::vector<uint32_t> {1, 0}}),
                      Builder {}
                          .input({{2}, element::u64, std::vector<uint64_t> {0, 1}})
                          .expected({{2}, element::u64, std::vector<uint64_t> {1, 0}})),
    ReferenceAcosLayerTest::getTestCaseName);
}  // namespace reference_tests
